Why is search powered by librarything.com?
Librarything is a folksonomical cataloging tool plugged into a large social network, allowing for real-time evaluation of books' popularity in members' collections. This data provides an interesting point of comparision to deaccessioned books, which were discarded after a careful evaluation of their (ir)relevance.
Click on the
icon on the right side of the record to access a book's social information.